roduct name: ARCHON D11V CREE XM-L U2 Diving LED Flashlight Brand: ARCHON Model: D11V Emitter Brand/Type: CREE Emitter BIN: XM-L U2 LED Color temperature 5000K Material: Imported T7075, aircraft-grade aluminum. Mode: High - Low light - flash Battery Configurations: 1 x 18650/2 x CR123 battery(not included) Switch Type: rotary switch Switch Location: tail of the flashlight Brightness: 860lm Treatment: Army regulations three hard oxidation. Runtime: Highlight file: 70 minutes ; Low light file: 320 minutes ; Shiny file: 150 minutes Range: 100 m waterproof diving Beam angle: 110 degree wide-angle light Lens: 6mm PC engineering plastic lenses. working voltage 3V to-6V. Carrying Strap: yes Color: black Weight: 140g Szie: 125 x 40 x 24mm(lenght x head x body diameter) ; Features: ; 1.Low battery indication and protection: when the battery voltage drops 3V start prompt flash 3, 5 seconds after the flash 3 times then go to 10% of the low light condition, 2.8V shutdown protection, protection of the battery to prevent over-discharge of lithium batteries. ; 2.Specialized micro-computer chip Low battery indication and low battery protection, protection of the battery to prevent over-discharge of lithium batteries, follow the prompts to workers ashore as soon as possible. ; 3.Tail cap for the rotary switch, a good solution to a tactical switch does not question the depth of water. ; 4.It's Unique electronic anti-anti-mounted design, even if the battery flashlight mistakenly installed nor will it cause damage. Diving note: ; 1. flashlight structure, especially, and the use of professional tools for installation. Disassemble the flashlight is likely to cause damage. ; 2. check carefully before each dive flashlight waterproof circle itself, if broken, must be promptly replaced. Ensure two waterproof ring intact.